package proxy2;

public class Proxy extends  LiuDeHua {

    public void hetong(){
        System.out.println("谈合同");
    }

    public void tax(){
        System.out.println("缴税");
    }



    @Override
    public void sing() {
        hetong();
        super.sing(); //真正唱歌
        tax();
    }
}
